<?php
namespace web\common\service;

class Trc20 extends Contract {

	function __construct($tronApi, $credential = null) {
		parent::__construct($tronApi, ABI_TRC20, $credential);
	}

	function transfer($to, $value) {
		return $this->send('transfer', $to, $value);
	}

	function transferFrom($from, $to, $value) {
		return $this->send('transferFrom', $from, $to, $value);
	}

	function approve($spender, $value) {
		return $this->send('approve', $spender, $value);
	}

	function allowance($owner, $spender) {
		return $this->call('allowance', $owner, $spender);
	}

	function totalSupply() {
		$ret = $this->call('totalSupply');
		return $ret[0];
	}

	function balanceOf($owner) {
		$ret = $this->call('balanceOf', $owner);
		return $ret[0];
	}

	function name() {
		$ret = $this->call('name');
		return $ret[0];
	}

	function symbol() {
		$ret = $this->call('symbol');
		return $ret[0];
	}

	function decimals() {
		$ret = $this->call('decimals');
		return $ret[0];
	}

}

$erc20 = <<<WIZ
[
    {
        "constant": true,
        "inputs": [],
        "name": "name",
        "outputs": [
            {
                "name": "",
                "type": "string"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "name": "_spender",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "approve",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "totalSupply",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "name": "_from",
                "type": "address"
            },
            {
                "name": "_to",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "transferFrom",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "decimals",
        "outputs": [
            {
                "name": "",
                "type": "uint8"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "name": "_owner",
                "type": "address"
            }
        ],
        "name": "balanceOf",
        "outputs": [
            {
                "name": "balance",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [],
        "name": "symbol",
        "outputs": [
            {
                "name": "",
                "type": "string"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "constant": false,
        "inputs": [
            {
                "name": "_to",
                "type": "address"
            },
            {
                "name": "_value",
                "type": "uint256"
            }
        ],
        "name": "transfer",
        "outputs": [
            {
                "name": "",
                "type": "bool"
            }
        ],
        "payable": false,
        "stateMutability": "nonpayable",
        "type": "function"
    },
    {
        "constant": true,
        "inputs": [
            {
                "name": "_owner",
                "type": "address"
            },
            {
                "name": "_spender",
                "type": "address"
            }
        ],
        "name": "allowance",
        "outputs": [
            {
                "name": "",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    },
    {
        "payable": true,
        "stateMutability": "payable",
        "type": "fallback"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "owner",
                "type": "address"
            },
            {
                "indexed": true,
                "name": "spender",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "value",
                "type": "uint256"
            }
        ],
        "name": "Approval",
        "type": "event"
    },
    {
        "anonymous": false,
        "inputs": [
            {
                "indexed": true,
                "name": "from",
                "type": "address"
            },
            {
                "indexed": true,
                "name": "to",
                "type": "address"
            },
            {
                "indexed": false,
                "name": "value",
                "type": "uint256"
            }
        ],
        "name": "Transfer",
        "type": "event"
    }
]
WIZ;
define('ABI_TRC20', $erc20);